<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
<%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c"%> 
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>登录页面</title>
</head>
<body>
	<h1>login page</h1>
	<form id="" action="login" method="post">
		<label>User Name</label> 
		<input tyep="text" name="userName" maxLength="40" /> 
		<label>Password</label>
		<input type="password" name="password" /> 
		<input type="submit" value="login" />
	</form>
	<%--用于输入后台返回的验证错误信息 --%>
	<P><c:out value="${msg }" /></P>
</body>
</html>